Tu Van Kinh Te- Ky Thuat Xay Dung Viet Nam Joint Stock Company Address: P6, C3 Thu Le 1, Cong Vi Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101600081 Phone: 0247660381 Representative: Le Van Sang Adress: Vien Chau Hamlet, Co Do Commune, Ba Vi District, Ha Noi City Cong Vi Ward, Ba Dinh District, Ha Noi CityFounding date: 24 - 1 - 2005